• Architect & Deploy: Design and maintain scalable LAN, WAN, and Wi-Fi infrastructure built for high availability.
• Merge IT with Broadcast: Integrate IP and cloud-based technologies (SMPTE ST 2110) to support video/audio production, editing suites, and transmission.
• Manage Enterprise Gear: Get hands-on with enterprise-grade hardware, specifically Arista routers, switches, load balancers, and VPNs.
• Protect & Monitor: Proactively hunt for latency and packet loss while enforcing iron-clad security segmentation to protect our live streams.
• Collaborate: Partner with systems and security teams to build resilient workflows and participate in an on-call rotation to support our 24/7 operations.

• Proven Track Record: Solid experience in network engineering, ideally within a high-pressure, 24/7 broadcast or media environment.
• IP Broadcast Expertise: Deep knowledge of SMPTE ST 2110 and broadcast-specific network protocols.
• Hardware Fluency: Expert-level configuration skills with routers and switches (Arista experience is a major plus).
• Analytical Mindset: The ability to troubleshoot complex bottlenecks under the ticking clock of live TV.
• Documentation Skills: A knack for creating clear diagrams and disaster recovery plans that the whole team can follow.

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• Reliability Engineering: Apply SRE principles to the network; define and maintain SLIs, SLOs, and Error Budgets for network latency, packet loss, and availability.
• HPC Connectivity & Performance: Support low-latency, high-throughput network architectures (e.g., RDMA, RoCE) designed for intensive HPC and financial data workloads.
• Advanced Telemetry: Design and manage high-cardinality telemetry pipelines to collect and analyze flow logs, metrics, and traces at scale.
• Network Automation (Python/Go): Build and maintain internal software tools, APIs, and “self-healing” scripts to automate routine operations and complex failure recoveries.
• Infrastructure-as-Code (IaC): Use Terraform to manage complex network configurations and observability stacks (Prometheus, Grafana, OpenSearch) as code.
• Observability & Monitoring: Implement automated alerting and dashboarding that provide real-time insights into network health and traffic patterns.
• Incident Management & Post-Mortems: Lead technical troubleshooting for complex outages and conduct “blameless post-mortems” to drive systemic improvements.

• 3+ years of experience in a Network Reliability (NRE), SRE, or Network Operations role within a high-performance environment.
• Software Engineering Mindset: Strong proficiency in Python and Go for building automation, custom exporters, or network management tools.
• Observability Stack Expertise: Hands-on experience with Prometheus, Grafana, OpenSearch/Elasticsearch, and distributed tracing.
• Networking Fundamentals: Deep knowledge of TCP/IP, BGP, EVPN, and routing/switching concepts in a high-bandwidth environment.
• Infrastructure as Code: Proven experience using Terraform to ensure scalable, repeatable, and version-controlled network deployments.
• HPC Awareness: Familiarity with the networking requirements of high-performance computing, such as non-blocking fabrics and low-latency interconnects.

• Streaming Telemetry: Experience with gNMI, gRPC, or Kafka for real-time network data streaming.
• CI/CD for Networking: Familiarity with “NetDevOps” workflows, including automated testing (Pytest/Go test) and pipeline validation for network changes.
• Container Networking: Knowledge of Kubernetes networking, CNI plugins, and Service Mesh (e.g., Istio or Cilium).
• Traffic Engineering: Experience with segment routing or advanced load-balancing strategies for high-performance workloads.

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• Content Governance: Audit, rewrite, and consolidate Confluence documentation to remove duplicates and ensure technical accuracy.
• Structure & Standards: Design logical space architectures and implement templates, naming conventions, and style guides.
• Process Mapping: Partner with Engineers and Project Managers to capture operational workflows and create visual diagrams/flowcharts.
• Continuous Improvement: Identify process inefficiencies and maintain documentation to reflect evolving ways of working.

• Experience: Proven background as a Technical Author or Writer, specifically improving technical/operational delivery processes.
• Tools: High proficiency in Confluence (structure management and governance).
• Communication: Ability to translate complex networking concepts into clear, concise documentation for technical stakeholders.
• Attributes: Exceptional attention to detail and experience leading cross-team documentation initiatives.
• Nice to Have: Familiarity with Lean/Six Sigma, core networking (BGP, Firewalls), or workflow automation (Tines, Zapier).

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This role sits within our clients Global Infrastructure team working to automate a cutting-edge, high-performance datacentre and research platform. You will build the tooling, pipelines, and guardrails that turn network intent into safe, repeatable code. This role focuses on NetDevOps practices, ensuring scalability and reliability across a global on-premise footprint.

Key Responsibilities

• Architect: Design and evolve the network automation framework (Source of Truth, templating, validation).
• Build: Develop idempotent automation for datacentre fabrics and integrate with vendor APIs (Arista, NetQ).
• Standardise: Capture network intent as code, ensuring rigorous peer reviews and quality gates.
• Monitor: Instrument the network with telemetry, alerting, and SLOs to drive automated remediation.
• Collaborate: Work with platform engineers to translate complex designs into automated workflows.

Your Skills

• Development: Advanced Python; Go is highly preferred for performant tooling.
• Automation: Strong Ansible (roles/collections) and workflow orchestration (e.g., Temporal).
• Tools: NetBox/Nautobot, Git, and network validation (pyATS, NAPALM).
• Systems: Linux networking, Bash, Docker/Kubernetes, and HashiCorp Vault.
• Observability: Experience with Prometheus, Grafana, and logging/tracing.
• Knowledge: Familiarity with datacentre fabrics, QoS, and high-performance networking is a plus.

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• Deploy & Automate: Implement network changes via Infrastructure-as-Code (Terraform) and develop automation tooling using Python or Bash.
• Operations: Manage CI/CD pipelines, execute controlled changes, and maintain runbooks.
• Support: Resolve stakeholder tickets and troubleshoot connectivity issues using AWS and third-party tools.
• Risk Management: Perform impact analysis and testing to ensure high availability and successful rollbacks.

• Experience: 2–4 years in cloud, infrastructure, or network operations.
• AWS Networking: Practical knowledge of VPC, Transit Gateway, and Route53.
• Technical Stack: Proficiency in Terraform, Python/Bash, and Core Networking (IPv4, DNS, Routing).
• Mindset: Strong troubleshooting skills and an understanding of production-risk environments.
• Desirable: Experience with CI/CD, Load Balancers (ALB/NLB), IPAM, or CloudWatch/Grafana.

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The post Network Operations Engineer – AWS – appeared first on La Fosse.

• Manage complex global AWS network architectures using Terraform and Python.
• Automate deployments to ensure scalable, controlled environment changes.
• Collaborate with Security and IT teams to enhance governance and traffic visibility.
• Research and implement emerging AWS features (e.g., CloudWAN, Lattice).

• Experience: 3+ years in AWS Cloud Engineering.
• Networking: Strong grasp of TCP/IP, BGP, DNS, and IPv4/v6.
• AWS Services: Proficiency in VPC, Transit Gateway, PrivateLink, and Route53.
• Tooling: Experience with IaC (Terraform) and scripting (Python).
• Nice to Have: Familiarity with IPAM, Load Balancing (ALB/NLB), and security tools (WAF, Firewalls).

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Responsible for building tooling, pipelines, and guardrails that turn network intent into safe, repeatable outcomes for high-performance on-premise datacentre.

• Design and evolve the network automation framework, including the source of truth, templating, validation, and change control.
• Build idempotent automation to provision and operate data centre fabrics at scale.
• Integrate with vendor APIs and SDKs, such as Arista EOS and NetQ.
• Capture network intent as code, ensuring peer reviews and quality gates are in place.
• Instrument the network with telemetry, alerting, and SLOs to drive automated remediation.
• Adhere to NetDevOps practises and share knowledge across the team.
• Collaborate with network and platform engineers to translate designs into automated workflows.
• Deliver frequent, incremental improvements through safe, tested changes.
• Monitor vendor and industry developments and propose practical adoption paths.

Skilled Required

• Advanced Python development for production-grade tools and services.
• Experience with Go (preferred) for performant tooling.
• Strong Ansible experience, including roles, collections, and YAML/JSON data models.
• Proficiency in Git, including branching, pull requests, and semantic versioning.
• Understanding of observability fundamentals, including Prometheus, Grafana, and logging and tracing.
• Experience with source of truth/CMDB systems, such as NetBox and Nautobot.
• Knowledge of Linux networking, including iptables, DHCP, and DNS, and strong Bash scripting skills.
• Ability to work with workflow orchestration, such as Temporal or equivalent.
• Familiarity with network validation and testing tools, such as pyATS and NAPALM.
• Experience with containers and orchestration, such as Docker and Kubernetes.
• Understanding of secure secrets and configuration management, including Vault and PKI best practises.
• Experience with data centre fabrics, QoS, and high-performance networking is a plus.

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The post Network Automation Lead – NetDevOps, Arista, Python, Ansible appeared first on La Fosse.

Our client are a FinTech with a key specialism in Quantitative Research & Investments.

The Role

• Administer and support the company’s instrumentation estate, primarily based on Corvil technology
• Analyse network and application latency, providing troubleshooting assistance for trading platforms
• Investigate and resolve performance and platform issues, ensuring systems remain up to date and secure
• Contribute to daily tasks, maintenance activities, and new project delivery
• Collaborate with colleagues and stakeholders to enhance processes and improve monitoring and instrumentation

Your Skillset

• Expert level knowledge of Corvil from a user and administrator perspective
• CCE / CPME qualification (preferred)
• Experience with automation (preferred)
• Extensive experience using and supporting Corvil in the financial sector with a strong understanding of electronic trading
• Familiarity with tap aggregation and time-stamping techniques
• Ability to contribute to troubleshooting efforts and analyse latency
• Effective collaborator who excels in a team environment and values knowledge sharing
• Excellent documentation skills, ensuring systems and processes are clearly recorded and maintained
• Comfortable working in a fast-paced environment

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Seeking a Network Engineer with experience of both Design & Engineering, supporting global Palo Alto & Checkpoint Firewall migration projects along with deploying LAN/WAN & Telephony, with use of BGP / MPLS & SD-WAN.

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We are looking for an experienced Network Engineer to design, implement, and support robust, scalable, and secure network infrastructure across global environments. This role requires hands-on expertise in enterprise networking technologies, cloud connectivity, and routing protocols, with a focus on performance, availability, and business continuity.

Key Responsibilities

• Network Design & Implementation

  • Design, deploy, and manage global WAN and SD-WAN architectures to ensure scalability, high availability, and cost-efficiency.

  • Implement advanced routing protocols (BGP, OSPF, EIGRP) across complex network topologies.

  • Manage enterprise Wi-Fi networks and optimize wireless performance.

• Cloud & Hybrid Connectivity

  • Establish and maintain hybrid connectivity between on-premises environments and public cloud platforms (Azure, AWS).

  • Configure cloud networking components including VPCs, VPNs, ExpressRoute, and Direct Connect.

  • Integrate cloud services with enterprise networks, ensuring security and reliability.

• Traffic Management & Optimization

  • Define and implement QoS policies to prioritize critical application traffic (VoIP, video, business systems).

  • Monitor and troubleshoot issues related to latency, packet loss, and bandwidth utilization.

• Operations & Monitoring

  • Maintain network uptime, performance, and compliance with standards (ISO 27001, NIST).

  • Configure monitoring tools and support HA and disaster recovery strategies.

  • Serve as an escalation point for complex incidents and participate in on-call rotations.

• Collaboration & Documentation

  • Work with cross-functional teams and global peers to support infrastructure projects and operations.

  • Maintain detailed documentation of network configurations, topologies, and policies.

  • Provide mentorship to junior team members and contribute to technical knowledge sharing.

Required Experience & Skills

• Experience:

  • 6–10 years in network engineering roles within enterprise-scale environments.

  • Proven experience with global WAN management and SD-WAN deployments.

  • Hands-on experience with cloud networking (Azure/AWS) and hybrid architectures.

  • Experience supporting distributed teams and infrastructure across multiple regions.

• Technical Proficiency:

  • Deep understanding of routing and switching technologies (Cisco, Arista, Brocade) 

  • Expertise in SD-WAN solutions (e.g., CATO, Palo Alto, Silver Peak).

  • Strong background in QoS configuration, traffic shaping, and network performance tuning.

  • Familiarity with network security tools and protocols (IPsec, SSL, IDS/IPS, firewalls).

  • Proficient in network monitoring platforms (e.g., SolarWinds, Wireshark, Scrutinizer).

• Education & Certifications:

  • Bachelor’s degree in Computer Science, Network Engineering, or related field (or equivalent experience).

  • Preferred certifications: CCNP, CCIE, AWS Certified Advanced Networking, Azure Network Engineer Associate.

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The post Network Engineer appeared first on La Fosse.

Hybrid (UK-based preferred) | Full-Time | £60,000

A rapidly growing organisation in the Governance, Risk & Compliance space is seeking a Network Engineer to manage and optimise hybrid network infrastructure across both on-premise and cloud environments (AWS, Azure, GCP).

Key Responsibilities:

• Design, implement, and maintain secure and scalable network solutions

   

• Manage firewalls, VPNs, routing, and switching

   

• Monitor and optimise performance across hybrid networks

Requirements:

• Proven experience in on-premise and cloud network management

   

• Strong knowledge of firewall technologies (e.g., Palo Alto, Fortinet, Cisco ASA)

   

• Experience with VPNs, WAN/LAN, and network security best practices

   

• Familiarity with Azure networking

Benefits:

• £60,000
• Remote working
• Fast-paced, collaborative environment
• Growth and development opportunities

To apply, send your CV to ben.thomas@lafosse.com or Apply Below!

The post Network Engineer appeared first on La Fosse.

We are seeking a highly experienced and enthusiastic Network Lead / Senior Network Engineer to join our team at a leading Gaming & Sports industry client. Our ideal candidate is an expert in the design, engineering, and support of enterprise networks, with a strong background in supporting high availability infrastructure and applications.

The successful candidate will have extensive experience with Cisco switching and routing, including OSPF and BGP protocols, as well as expertise in Palo Alto Next Generation GlobalProtect Firewalls, F5 and Meraki devices, and VPNs. Knowledge of WAN optimisation through Riverbed, SDN (Software Defined Networking), and network automation is highly advantageous.

In this role, you will be responsible for leading the design and engineering of our network, managing WAN, routers, firewalls, switches, load balancers, traffic optimizers, and wireless devices both on-site and in Azure. This is a fantastic opportunity to join a dynamic and innovative team, working on cutting-edge technology projects.

The successful candidate must be available to work on-site in Central/North London four days per week, with one day working from home.

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